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Finding the Fourth Proportional to 367,847.80, 551,480.10 and 201,635.80

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Solution

The fourth proportional to 367,847.80, 551,480.10 and 201,635.80 is: 302,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,847.80 : 551,480.10 = 201,635.80 : x
  2. Step 2: Convert to fraction form
    367,847.80/551,480.10 = 201,635.80/x
  3. Step 3: Cross multiply
    367,847.80x = 551,480.10 × 201,635.80
  4. Step 4: Simplify right side
    367,847.80x = 111,198,131,147.58
  5. Step 5: Solve for x
    x = 111,198,131,147.58/367,847.80
  6. Step 6: Final answer
    x = 302,293.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.